Newscoop\Article\SearchService::getArticleSwitches PHP Method

    public function getArticleSwitches($article)
    {
        $switches = array();
        foreach ($this->switches as $switch) {
            try {
                if ($article->getData($switch)) {
                    $switches[] = $switch;
                }
            } catch (\Exception $e) {
                /*just ignore if switch don't exists*/
            }
        }
    }